Problem Solving 2-9 Sorting and Selection Ma Jun Institute of Computer Software April 19,2022 +口，4y，4三，4=，三0QC
Problem Solving 2-9 Sorting and Selection Ma Jun Institute of Computer Software April 19, 2022
Contents ① Sorting ② Selection +口，4y，4三4兰，左0QC
Contents 1 Sorting 2 Selection
Contents ①Sorting ●Quicksort o Randomized Quicksort oComparison-based Sort Sorting in Linear Time ②Selection o Minimum and Maximum o Selection in Expected Linear Time o Selection in Worst-case Linear Time +口，4y，4三，4=，三0QC
Contents 1 Sorting Quicksort Randomized Quicksort Comparison-based Sort Sorting in Linear Time 2 Selection Minimum and Maximum Selection in Expected Linear Time Selection in Worst-case Linear Time
Sorting Quicksort Quicksort Q:What is the KEY idea of Quicksort? 酸 ，口+4y,。法，生，生QG
Sorting Quicksort Quicksort Q : What is the KEY idea of Quicksort? pivot small for any element in this segment, the key is not greater than pivot. large for any element in this segment, the key is greater than pivot. To Be Sorted Recursively Ma Jun (Institute of Computer Software) Problem Solving April 19, 2022 1 / 42
Sorting Quicksort Quicksort Q:What is the KEY idea of Quicksort? pivot 0000可60000000 酸 ，口+4y,。法，生，生QG
Sorting Quicksort Quicksort Q : What is the KEY idea of Quicksort? pivot small for any element in this segment, the key is not greater than pivot. large for any element in this segment, the key is greater than pivot. To Be Sorted Recursively Ma Jun (Institute of Computer Software) Problem Solving April 19, 2022 1 / 42